using System;

public class ResponseModel<T>

{

    public T Response;

    public string blah;

}

​

public class Something

{

    public string stuff;

    public int numStuff;

}

​

public class Program

{

    private static ResponseModel<T> Post<T>()

    {

        return new ResponseModel<T>

        {

            blah = typeof(T).Name

        };

    }

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.WriteLine($"ResponseModel = {Post<Something>().blah}");

    }

}